Beyond Prometheus
If you’ve made it this far, congratulations! By the power vested in me, I hereby declare you a master of Prometheus. Go forth into the world and observe all the things.
Oh. Are you still here? Did you come back when you remembered that Prometheus by itself doesn’t make a system fully observable? Either way, I want to make the most of the rest of our time together to discuss the question, “What next?”
Hopefully, by now, you’ve come to see how Prometheus (and all metrics systems, by extension) only account for a subset of observability. If you accept the idea that the three core observability signals are metrics, logs, and traces, then solely using Prometheus only gets you one-third of the way toward a fully observable system.
By using Prometheus as our starting point, we need to see what other pieces we can add to make our systems more observable. This chapter will take a fresh look at the observability concepts we discussed...